.css {
  margin: 0 auto;
  width: 1650px;
  height: 100vh;
  display: flex;
  justify-content: end;
  align-items: center;
  padding: 20px;
  background: url("../../assets/images/背景4.jpeg") no-repeat center center/cover;
  background-color: #f0f0f0;

}